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Finding the Fourth Proportional to 293,416,267.80, 440,124,401.70 and 140,361,259.80

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Solution

The fourth proportional to 293,416,267.80, 440,124,401.70 and 140,361,259.80 is: 210,541,889.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,416,267.80 : 440,124,401.70 = 140,361,259.80 : x
  2. Step 2: Convert to fraction form
    293,416,267.80/440,124,401.70 = 140,361,259.80/x
  3. Step 3: Cross multiply
    293,416,267.80x = 440,124,401.70 × 140,361,259.80
  4. Step 4: Simplify right side
    293,416,267.80x = 61,776,415,491,333,264
  5. Step 5: Solve for x
    x = 61,776,415,491,333,264/293,416,267.80
  6. Step 6: Final answer
    x = 210,541,889.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.